Kill fluid for oil field operations
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United States of America Patent
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Aug 14, 1990
Grant Date -
N/A
app pub date -
Jul 14, 1989
filing date -
Jul 14, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flowing crosslinked polymer gel is employed as a kill fluid or as an additive to a kill fluid in a process for preventing the intrusion of formation fluid into a wellbore while minimizing wellbore fluid leakoff in the formation during conventional oil field operations in the wellbore. The gel comprises a carboxylate-containing polymer and a chromic carboxylate crosslinking agent.
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